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Changelog

All notable changes to Bimex are documented here. Format follows Keep a Changelog.

[Unreleased]

Added

  • SSE real-time updates: indexer pushes proyecto_actualizado, nueva_contribucion, yield_reclamado events to connected clients (#62)
  • Public changelog page accessible from the app footer (#81)

[2.1.0] — 2026-05-27

Added

  • Dark mode with toggle in navbar (#59)
  • Project search with debounce (#60)
  • Share project with QR code (#61)
  • Transparency page with on-chain stats (#57)
  • Rewards panel (Recompensas.jsx) connected to real contract data (#56)
  • CETES live rate via Etherfuse displayed in landing stats bar (#55)
  • i18n support (Spanish / English) with react-i18next (#53)
  • Skeleton loading states across all data-fetching components (#48)
  • Toast notification system replacing inline error messages (#50)

Improved

  • Code splitting: bundle reduced ~40% (#47)
  • Mobile-first responsive design across all views (#49)
  • Admin panel with project approval / rejection flow (#46)

Fixed

  • TTL management in contract storage (#64)
  • Security headers in Vercel deployment (#65)

[2.0.0] — 2026-04-23

Added

  • EnRevision state: projects require admin approval before accepting funds
  • admin_aprobar() and admin_rechazar() contract functions
  • Rechazado state with motivo_rechazo field
  • doc_hash (BytesN<32>): SHA-256 document hash stored on-chain for verifiability
  • calcular_yield_detallado(): returns yield broken down by CETES and AMM
  • estado_capital(): returns current capital distribution
  • solicitar_continuar(): allows a new owner to resume an abandoned project
  • bimex-indexer: on-chain indexing service to extend persistent storage TTL and maintain event history

Fixed (security audit)

  • CEI pattern (Checks-Effects-Interactions) applied in contribuir(), retirar_principal(), reclamar_yield(), and abandonar_proyecto() — prevents reentrancy attacks
  • require_auth() moved to the start of every function that requires it, before any storage reads or business logic
  • Contribution cap: cantidad = cantidad.min(restante) prevents accidental or malicious overfunding
  • Top-up preserves the backer's original timestamp (additional contributions no longer reset the yield clock)
  • solicitar_continuar() resets timestamp_inicio so the new owner does not inherit accumulated yield from the previous period
  • calcular_yield_seguro() uses early division to avoid i128 overflow with large capitals
  • Bounds check in inicializar(): yield_cetes_bps and yield_amm_bps cannot exceed 10,000,000 bps

Changed

  • Yield rates updated to production values: CETES 9.45% APY (yield_cetes_bps = 945), AMM 4.00% APY (yield_amm_bps = 400)

[1.0.0] — 2026-03-15

Added

  • Initial demo presented at Hack+ Alebrije (Stellar | CDMX)
  • Core contract functions: crear_proyecto, contribuir, retirar_principal, reclamar_yield
  • Basic React frontend with Freighter wallet integration
  • Stellar Testnet deployment